20-32=4-5a+a

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Solution for 20-32=4-5a+a equation: 



20-32=4-5a+a

We move all terms to the left:

20-32-(4-5a+a)=0

We add all the numbers together, and all the variables

-(-4a+4)+20-32=0

We add all the numbers together, and all the variables

-(-4a+4)-12=0

We get rid of parentheses

4a-4-12=0

We add all the numbers together, and all the variables

4a-16=0

We move all terms containing a to the left, all other terms to the right

4a=16

a=16/4

a=4

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